Rotary spool valve



FIG. 1 is a top perspective view of a rotary spool valve showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right end elevational view thereof;

FIG. 6 is a bottom plan view thereof; and

FIG. 7 is a left side elevational view thereof. 

The ornamental design for a rotary spool valve, as shown and described. 